This is a division, of application Ser. No. 07/471,309, filed Jan. 29, 1990, now U.S. Pat. No. 5,133,465 issued Jul. 28, 1992.
Number | Name | Date | Kind |
---|---|---|---|
2529804 | Harnischfeger et al. | Nov 1950 | |
3204577 | Smith | Sep 1965 | |
3494488 | Morey | Feb 1970 | |
3675786 | Wilson | Jul 1972 | |
4035621 | Kemp | Jul 1977 | |
4041470 | Slane et al. | Aug 1977 | |
4093939 | Mitchell | Jun 1978 | |
4553675 | Kirk | Nov 1985 | |
4566599 | Villa et al. | Jan 1986 | |
4636962 | Broyden et al. | Jan 1987 | |
4641757 | Rosendale | Feb 1987 | |
4664873 | Hendrich et al. | May 1987 | |
4727996 | Fenn et al. | Mar 1988 | |
4750132 | Pessina et al. | Jun 1988 | |
4809857 | Steuck et al. | Mar 1989 | |
4831539 | Hagenbuch | May 1989 |
Number | Date | Country |
---|---|---|
694857 | Sep 1965 | ITX |
Entry |
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Whiting Crane Handbook, Whiting Corporation, Harvey, Ill., Wm. M. Weaver (4th 1979). |
Harris Publication, Probe Data Analysis System; Jun. 1982. |
McGraw-Hill Encyclopedia of Science and Technology, vol. 8, McGraw-Hill, Inc., N.Y., 1987, pp. 356-358 and 480-483. |
Mitsubishi Electric Corporation, Mitsubishi Programmable Controller Instruction Manual for Enhanced F.sub.2 Series JY992D02801D (ROD) date: unknown. |
Publication 1745-1.0, The SLC Family of Programmable Controllers, Allen-Bradley, Feb., 1986. |
EMI Osborn advertisement "Replacement P.C. Control Panel" from Feb. 1989 issue of Magazine published in Jan. 1989. |
Whiting Bulletin No. U-98 R3 1986 and especially the page headed "Electrical Controls" published in 1986. |
Number | Date | Country | |
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Parent | 471309 | Jan 1990 |